/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraFunctionLibrary.h
A C++ and Blueprint accessible library of utility functions for accessing Niagara simulations All positions & orientations are returned in Unreal reference frame & units, assuming the Leap device is located at the origin.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(MinimalAPI) class UNiagaraFunctionLibrary : public [UBlueprintFunctionLibrary](API\Runtime\Engine\Kismet\UBlueprintFunctionLibrary)